var d=document;
var gyd=d.getElementById;
var ie4=d.all;
var ns4=d.layers;

function nay(tama,nain)
	{
	if(gyd)
		{
		d.getElementById(tama).style.visibility=nain;
		}
	else if(ie4)
		{
		d.all(tama).style.visibility=nain;
		}
	else if(ns4)
		{
		d.layers[tama].visibility=nain;
		}
	}

function newImage(arg) 
	{
	if (document.images) 
		{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
		}
	}

function vaihdakuva(tama,tahan)
	{
	if(d.images)
		{
		d.images[tama].src="/k/"+tahan;
		}
	}

function mene(tanne)
	{
	location.href=tanne;
	}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_nsh_musick1 = newImage('k/nsh_musick1.gif');
		pre_nsh_journal1 = newImage('k/nsh_journal1.gif');
		pre_nsh_live1 = newImage('k/nsh_live1.gif');
		pre_nsh_gallery1 = newImage('k/nsh_gallery1.gif');
		pre_nsh_about1 = newImage('k/nsh_about1.gif');
		pre_nsh_contact1 = newImage('k/nsh_contact1.gif');
		pre_nsh_exit1 = newImage('k/nsh_exit1.gif');
		pre_nsh_sigil1 = newImage('k/nsh_sigil1.gif');
		preloadFlag = true;
	}
}

function check_empty(text) { return (text.length > 0); }

function czechwyrm()
	{
	var virhe=""; 
	var onsevaan=true; 
	if(!check_empty(d.wcnt.message.value))
		{
		onsevaan=false; 
		virhe="Please type in your message.\n"; 
		}
	if(!check_empty(d.wcnt.email.value))
		{
		onsevaan=false; 
		virhe="Please type in your email address."; 
		}
	if (!onsevaan)
		{
		alert(virhe); 
		}
	return onsevaan; 
	}